If you drive a car with LED matrix lighting, you hardly have to remember to do anything with your headlights. These smart lights know when and where to light up. But there is a catch.

That sounds impressive until you read the fine print: "compared with worn standard halogen" bulbs. Still, such claims are making premium-priced halogen bulbs an alluring choice for drivers.

There are three primary types of headlight bulbs: halogen, HID, and LED. Each type has its own advantages and disadvantages, and the best choice will depend on your specific needs. Halogen bulbs ...